75318481357 has 8 divisors (see below), whose sum is σ = 86155891200. Its totient is φ = 64500478224.

The previous prime is 75318481331. The next prime is 75318481373.

75318481357 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75318481357 - 2¹⁵ = 75318448589 is a prime.

It is a super-2 number, since 2×75318481357² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75318481307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843357 + ... + 4858882.

It is an arithmetic number, because the mean of its divisors is an integer number (10769486400).

Almost surely, 2^75318481357 is an apocalyptic number.

It is an amenable number.

75318481357 is a deficient number, since it is larger than the sum of its proper divisors (10837409843).

75318481357 is a wasteful number, since it uses less digits than its factorization.

75318481357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703355.

The product of its digits is 2822400, while the sum is 52.

The spelling of 75318481357 in words is "seventy-five billion, three hundred eighteen million, four hundred eighty-one thousand, three hundred fifty-seven".